/* 版心样式 */

.wrapper {
    margin: 0 auto;
    width: 1200px;
}


/* header布局及样式 */

.header {
    background-color: #fff;
}

.header-info {
    height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}


/* logo区域 */

.logo a {
    display: block;
    height: 41px;
    width: 195px;
    background-image: url(../images/logo.png);
    /* 隐藏文字 */
    font-size: 0px;
}


/* 导航区域 */

.header-links ul {
    display: flex;
}

.header-links a {
    font-size: 19px;
    display: inline-block;
    padding: 5px 10px;
    margin: 0 10px;
}

.activeLink {
    border-bottom: 2px solid #0191CE;
}


/* 搜索区域 */

.search-userInfo {
    display: flex;
}

.search {
    margin-right: 30px;
    padding: 10px 0px 10px 19px;
    width: 412px;
    height: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #F4F4F8;
    border-radius: 20px;
}

.search input {
    outline: none;
    border: none;
    background-color: #F4F4F8;
    flex: 1;
}


/* 选中placeholder属性样式 */

.search input ::placeholder {
    font-size: 14px;
    color: #999;
}

.search button {
    width: 40px;
    height: 40px;
    background-color: #F4F4F8;
    background-image: url(../images//search.svg);
    background-repeat: no-repeat;
    background-size: 40%;
    background-position: center;
    border-radius: 20px;
    border: none;
    outline: none;
    cursor: pointer;
}


/* 用户区域 */

.userInfo a {
    display: flex;
    align-items: center;
    font-size: 16px;
    color: #666;
}

.userInfo img {
    /* vertical-align: middle; 行内块和行内垂直方向对齐方式*/
    height: 30px;
    width: 30px;
    border-radius: 50%;
    margin-right: 7px;
}


/* banner布局及样式 */

.banner {
    background-color: #0191CE;
    background-image: url(../uploads/banner.png);
    background-repeat: no-repeat;
    background-position: center;
    height: 420px;
}

.banner-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}


/* 课程分类区域 */

.course {
    width: 191px;
    height: 100%;
    background-color: rgba(0, 0, 0, .42);
}

.course ul {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.course li {
    flex: 1;
    padding: 0 20px;
}

.course a:hover {
    color: #00a4ff;
    background-image: url(../images/right-hover.png);
}

.course a {
    color: #fff;
    font-size: 16px;
    display: flex;
    align-items: center;
    width: 100%;
    height: 100%;
    background: url(../images/right.png) no-repeat right center;
}


/* 课程表区域 */

.course-timeTable {
    padding-top: 18px;
    width: 218px;
    height: 305px;
    background-color: #209DD5;
    border-radius: 10px;
}

.course-timeTable>h3 {
    font-weight: normal;
    margin-left: 14px;
    margin-bottom: 9px;
    font-size: 15px;
    color: #fff;
}

.course-list {
    padding: 14px;
    width: 100%;
    height: 257px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: #fff;
    border-radius: 10px;
}

.course-list dl {
    padding-bottom: 8px;
    border-bottom: 1px solid #e0e0e0;
}


/* 该选择器必须N在前 */


/* .course-list li:nth-child(-n+3) {
    padding-bottom: 9px;
    border-bottom: 1px solid #e0e0e0;
} */

.studying {
    font-size: 12px;
    color: #00a4ff;
}

.studying-schedule {
    font-weight: normal;
    font-size: 12px;
    color: #7d7d7d;
}

.course-list>a {
    font-size: 14px;
    color: #fff;
    height: 32px;
    line-height: 32px;
    text-align: center;
    background-color: #00a4ff;
    border-radius: 16px;
}


/* suggst布局及样式 */

.suggest-info {
    margin-top: 12px;
    padding: 18px 20px;
    background-color: #fff;
    height: 60px;
    box-shadow: 0px 1px 2px 0px rgba(211, 211, 211, 0.5);
    display: flex;
}

.suggest-info h3,
.suggest-info a.modify {
    font-weight: normal;
    font-size: 16px;
    color: #00a4ff;
}

.suggest-info ul {
    /* 去除精品推荐和修改兴趣的尺寸，父级剩余尺寸都给ul，实现把修改兴趣挤到最右边 */
    flex: 1;
    font-size: 18px;
    display: flex;
}

.suggest-info a {
    padding: 0 24px;
}

.suggest-info ul li:nth-child(-n+8) {
    border-right: 1px solid #e0e0e0;
}

.suggest-info button {
    border: none;
    cursor: pointer;
    background-color: transparent;
}


/* suggst-detail布局及样式 */

.suggst-detail-info {
    margin-top: 31px;
    height: 601px;
}

.suggest-detail-title {
    margin-bottom: 20px;
    display: flex;
    font-family: PingFangSC-Regular;
    justify-content: space-between;
    align-items: center;
}

.suggest-detail-title span {
    font-size: 21px;
}

.suggest-detail-title a {
    color: #999999;
    font-size: 14px;
}

.suggest-detail-title img {
    margin-left: 10px;
}

.suggest-detail-list {
    display: flex;
    flex-wrap: wrap;
    height: 556px;
    align-content: space-between;
    justify-content: space-between
}


/* list-card,card-info通用样式组  */

.list-card li {
    width: 228px;
    height: 271px;
    font-family: PingFangSC-Regular;
    font-size: 14px;
    font-weight: normal;
    background-color: rgba(255, 255, 255, 0.5);
}

.list-card a {
    display: flex;
    flex-direction: column;
}

.list-card img {
    width: 228px;
    height: 156px;
    object-fit: cover;
}

.list-card .card-info {
    padding: 20px;
    height: 115px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.list-card .card-info h4 {
    width: 188px;
    height: 37px;
}

.list-card .card-info .senior_sign {
    color: #fa6400;
}

.list-card .card-info span {
    color: #999;
}


/* web布局及其通用样式 */

.subject {
    margin-top: 32px;
}

.subject-info {
    height: 431px;
}

.subject-title {
    margin-bottom: 15px;
    display: flex;
    font-family: PingFangSC-Regular;
    justify-content: space-between;
    align-items: center;
}

.subject-title span {
    font-size: 21px;
}

.subject-title ul {
    width: 308px;
    font-size: 16px;
    display: flex;
    justify-content: space-between;
}

.subject-title>a {
    color: #999999;
    font-size: 14px;
}

.subject-title img {
    margin-left: 10px;
}

a.active {
    color: #00a4ff;
}

.subject-card {
    height: 386px;
    display: flex;
    justify-content: space-between;
}

.subject-ads-left {
    width: 228px;
    height: 384px;
    object-fit: cover;
}

.subject-card-lesson {
    width: 957px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.subject-ads-top {
    width: 957px;
    height: 100px;
    object-fit: cover;
}

.subject-lesson-list {
    display: flex;
    width: 957px;
    justify-content: space-between;
}


/* 人工智能开发及JavaEE模块样式 */

.AI-info,
.JavaEE-info {
    height: 316px;
}

.AI-lesson-list,
.JavaEE-lesson-list {
    width: 1200px;
    display: flex;
    justify-content: space-between;
}


/* 版权区域布局及样式 */

.copyright {
    margin-top: 60px;
    background-color: #fff;
}

.copyright-detail {
    padding: 65px 0px;
    height: 273px;
    display: flex;
    justify-content: space-between;
}

.copyright-datail-info img {
    width: 195px;
    height: 41px;
    object-fit: cover;
}

.copyright-datail-info p {
    margin: 24px 0 14px;
    font-size: 12px;
    color: #666;
}

.copyright-datail-info button {
    width: 120px;
    height: 36px;
    background-color: #ffffff;
    font-size: 16px;
    color: #00a4ff;
    border: 1px solid #00a4ff;
    cursor: pointer;
}

.copyright-datail-moreInfo {
    width: 516px;
    display: flex;
    justify-content: space-between;
}

.copyright-datail-moreInfo dt {
    font-size: 16px;
    margin-bottom: 12px;
}

.copyright-datail-moreInfo dd {
    line-height: 24px;
    font-size: 14px;
    color: #666;
}